With the recent release of ATI’s Radeon 4850, we’re seeing a whole bunch of 4850 cards cropping up all over the place. The cat is barely out of the bag but we’ve already seen boards from Gigabyte, Asus, PowerColour, VisionTek, HIS, MSI, Diamond and Sapphire.
It’s a little early in the game for comparatives denoting which card is better and what company it came from. Immediately following the launch of a chip it’s quite normal to see a rake of products from manufacturers that are, for all intents and purposes, pretty much the same deal. Major differences will be limited to the software companies include in the retail box (games, utilities etc), minor clock speed differences (+50 MHz or so) and connectors (DVI, HDMI, VGA, Display Port, etc - as well as combinations thereof). Later, say in about a month or six weeks, we’ll start seeing companies trying to differentiate themselves from others with better cooling and extreme editions.
Below is a list of some of the major manufacturers and specs for the 4850 cards they have on the market.
| Cooling: | Single Slot Fan (active) |
| GPU/Process: | RV770/55nm |
| GPU-Clock: | 625MHz |
| Memory/Clock: | 1986MHz |
| Stream Processing Units: | 800 |
| Memory: | 512MB GDDR3 |
| DirectX: | DX10.1 |
| Shader Model: | Version SM4.1 |
| Anti-Aliasing: | 24x |
| RAMDACs: | 2 x 400 MHz, 30-bit |
| High-Definition: | H.264/AVC, VC-1, DivX, MPEG-2 |
| Dual Link DVI: | 2 x 2560*1600 (Dual dual-link) |
| Crossfire-Support: | Yes |
| Bus Type: | PCI Express x16 (2.0) |
| Core Speed: | 625MHz |
| Memory Speed: | 1986 MHz (1.986Gbps) |
| Memory Size: | 512MB |
| Memory Interface: | 256bit |
| Memory Type: | GDDR3 |
| DirectX: | 10.1 |
| CrossFireX: | Yes |
| PCI-E: | 2.0 |
| HDMI Support: | Yes |
| GPU: | HD 4850 Chip/625 MHz |
| Memory: | 512MB GDDR3, 1986 MHz |
| Memory Interface: | 256-bit |
| DirectX/Shader-Model: | DirectX 10.1, Shader Model 4.1 |
| Infos zur Energieaufnahme: | Low Power Consumption through ATI PowerPlay, Max. Board Power: 110W |
| Interface: | PCI-Express 2.0 x16 Bus |
| Cooling: | Active-Single-Slot |
| Connectors: | 2x Dual-Link DVI with HDCP/TV-Out/HDMI |
| Graphics Engine: | Radeon HD 4850, 625 MHz |
| Bus Standard: | PCI Express 2.0 |
| Video Memory: | 512 MB DDR3, 1.986 GHz (993 MHz DDR3) |
| Memory Interface: | 256-bit |
| DVI Max. Resolution: | 2560 x 1600 |
| D-Sub Output: | Yes x 1 (via DVI to D-Sub adaptor x 1 ) |
| DVI Output: | Yes x 2 (DVI-I) |
| HDTV Output(YPbPr): | YES, via HDTV Out cable |
| HDCP compliant: | Yes |
| HDMI Output: | Yes, via DVI to HDMI adaptor |
| Adaptor/Cable Bundled | DVI-to-D-Sub adapter, HDTV-out cable, DVI-to-HDMI adaptor |
| GPU: | HD 4850 |
|---|---|
| ASIC Core: | RV 770 |
| Core Clock: | 625 |
| Bus: | PCI Express x16 |
| Ports: | 2 Dual-Link DVI,Video Out (S-Video, Composite, HDTV) |
| MFG Process: | 55nm fabrication process |
| Transistor Count: | 666 million transistors on 55nm fabrication process |
| Cooling: | Active – Fan Cooler |
| Memory Clock: | 993 |
| Memory Configuration: | 16Mx32 |
| Memory Type: | GDDR3 |
| Memory Bandwidth: | 147GB/sec |
| Memory Size: | 512MB |
| Memory Interface: | 256-bit |
| RAMDAC: | 400 Mhz |
| VPU | RV770PRO |
| Memory | 512MB 256-bit GDDR3 |
| Bus support | PCI-Express 2.0 |
| HDTV Support | Yes |
| Built-in HDMI/HDCP | Yes |
Click to read our review of the 4850: ATI Radeon HD 4850: Smarter By Design
